%%%% This generates all possible settings of the 4 weights %%%%
%%%% each weight has possible values -1:.25:1    %%%%%%%%%%
%%%% Initially we use values 0 thru 8 to make it easier to count offsets  %%%

allwvecs=zeros(9^4,4);

for w1=0:8
  offset1=w1*9^3;
  for w2=0:8
    offset2=w2*9^2;
    for w3=0:8
      offset3=w3*9^1;
      for w4=0:8
         rownumber=1+offset1+offset2+offset3+w4;
         allvecs(rownumber,:)=[w1 w2 w3 w4];
      end;
    end
  end;
end;

allwvecs=allvecs/4 - 1;